X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e3d3318dc6f58870d13eb6567da721d060533a6..d4c241b9e6b05a6a2ca5b701d25792994a52c023:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 63665e8691..24292ae8d4 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -16,6 +16,30 @@ #pragma interface "log.h" #endif +#include "wx/setup.h" +#include "wx/string.h" + +// ---------------------------------------------------------------------------- +// forward declarations +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTextCtrl; +class WXDLLEXPORT wxLogFrame; +class WXDLLEXPORT wxFrame; + +// ---------------------------------------------------------------------------- +// types +// ---------------------------------------------------------------------------- + +typedef unsigned long wxTraceMask; +typedef unsigned long wxLogLevel; + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if wxUSE_LOG + #include // for time_t #include "wx/dynarray.h" @@ -66,26 +90,7 @@ enum #define wxTraceOleCalls 0x0100 // OLE interface calls #endif -typedef unsigned long wxTraceMask; -typedef unsigned long wxLogLevel; - -// ---------------------------------------------------------------------------- -// forward declarations -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxTextCtrl; -class WXDLLEXPORT wxLogFrame; -class WXDLLEXPORT wxFrame; - -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -# include -#else -# include -# if defined(__VISUALC__) || defined(__MWERKS__) - using namespace std; -# endif -#endif +#include "wx/ioswrap.h" // ---------------------------------------------------------------------------- // derive from this class to redirect (or suppress, or ...) log messages @@ -347,6 +352,21 @@ private: // for log messages for easy redirection // ---------------------------------------------------------------------------- +// are we in 'verbose' mode? +// (note that it's often handy to change this var manually from the +// debugger, thus enabling/disabling verbose reporting for some +// parts of the program only) +WXDLLEXPORT_DATA(extern bool) g_bVerbose; + +// ---------------------------------------------------------------------------- +// get error code/error message from system in a portable way +// ---------------------------------------------------------------------------- + +// return the last system error code +WXDLLEXPORT unsigned long wxSysErrorCode(); +// return the error message for given (or last if 0) error code +WXDLLEXPORT const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); + // define wxLog // ------------------- @@ -355,34 +375,44 @@ extern void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) #define DECLARE_LOG_FUNCTION2(level, arg1) \ extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) - // a generic function for all levels (level is passes as parameter) - DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); +#else // !wxUSE_LOG - // one function per each level - DECLARE_LOG_FUNCTION(FatalError); - DECLARE_LOG_FUNCTION(Error); - DECLARE_LOG_FUNCTION(Warning); - DECLARE_LOG_FUNCTION(Message); - DECLARE_LOG_FUNCTION(Info); - DECLARE_LOG_FUNCTION(Verbose); +// log functions do nothing at all +#define DECLARE_LOG_FUNCTION(level) \ +inline void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) {} +#define DECLARE_LOG_FUNCTION2(level, arg1) \ +inline void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) {} - // this function sends the log message to the status line of the top level - // application frame, if any - DECLARE_LOG_FUNCTION(Status); +#endif // wxUSE_LOG/!wxUSE_LOG - // this one is the same as previous except that it allows to explicitly - // specify the frame to which the output should go - DECLARE_LOG_FUNCTION2(Status, wxFrame *pFrame); +// a generic function for all levels (level is passes as parameter) +DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); - // additional one: as wxLogError, but also logs last system call error code - // and the corresponding error message if available - DECLARE_LOG_FUNCTION(SysError); +// one function per each level +DECLARE_LOG_FUNCTION(FatalError); +DECLARE_LOG_FUNCTION(Error); +DECLARE_LOG_FUNCTION(Warning); +DECLARE_LOG_FUNCTION(Message); +DECLARE_LOG_FUNCTION(Info); +DECLARE_LOG_FUNCTION(Verbose); - // and another one which also takes the error code (for those broken APIs - // that don't set the errno (like registry APIs in Win32)) - DECLARE_LOG_FUNCTION2(SysError, long lErrCode); +// this function sends the log message to the status line of the top level +// application frame, if any +DECLARE_LOG_FUNCTION(Status); - // debug functions do nothing in release mode +// this one is the same as previous except that it allows to explicitly +// specify the frame to which the output should go +DECLARE_LOG_FUNCTION2(Status, wxFrame *pFrame); + +// additional one: as wxLogError, but also logs last system call error code +// and the corresponding error message if available +DECLARE_LOG_FUNCTION(SysError); + +// and another one which also takes the error code (for those broken APIs +// that don't set the errno (like registry APIs in Win32)) +DECLARE_LOG_FUNCTION2(SysError, long lErrCode); + +// debug functions do nothing in release mode #ifdef __WXDEBUG__ DECLARE_LOG_FUNCTION(Debug); @@ -403,39 +433,35 @@ extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) inline void wxLogTrace(const wxChar *, ...) { } inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } inline void wxLogTrace(const wxChar *, const wxChar *, ...) { } -#endif - - - // are we in 'verbose' mode? - // (note that it's often handy to change this var manually from the - // debugger, thus enabling/disabling verbose reporting for some - // parts of the program only) - WXDLLEXPORT_DATA(extern bool) g_bVerbose; +#endif // debug/!debug - // ---------------------------------------------------------------------------- - // get error code/error message from system in a portable way - // ---------------------------------------------------------------------------- - - // return the last system error code - WXDLLEXPORT unsigned long wxSysErrorCode(); - // return the error message for given (or last if 0) error code - WXDLLEXPORT const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); - - // ---------------------------------------------------------------------------- - // debug only logging functions: use them with API name and error code - // ---------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// debug only logging functions: use them with API name and error code +// ---------------------------------------------------------------------------- #ifndef __TFILE__ -#define __XFILE__(x) _T(x) -#define __TFILE__ __XFILE__(__FILE__) + #define __XFILE__(x) _T(x) + #define __TFILE__ __XFILE__(__FILE__) #endif -#ifdef __WXDEBUG__ -#define wxLogApiError(api, rc) \ - wxLogDebug(_T("At %s(%d) '%s' failed with error %lx (%s)."), \ - __TFILE__, __LINE__, api, \ - rc, wxSysErrorMsg(rc)) -#define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) +#ifdef __WXDEBUG__ + // make life easier for people using VC++ IDE: clicking on the message + // will take us immediately to the place of the failed API +#ifdef __VISUALC__ + #define wxLogApiError(api, rc) \ + wxLogDebug(_T("%s(%d): '%s' failed with error 0x%08lx (%s)."), \ + __TFILE__, __LINE__, api, \ + rc, wxSysErrorMsg(rc)) +#else // !VC++ + #define wxLogApiError(api, rc) \ + wxLogDebug(_T("In file %s at line %d: '%s' failed with " \ + "error 0x%08lx (%s)."), \ + __TFILE__, __LINE__, api, \ + rc, wxSysErrorMsg(rc)) +#endif // VC++/!VC++ + + #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) + #else //!debug inline void wxLogApiError(const wxChar *, long) { } inline void wxLogLastError(const wxChar *) { }